Our panels are all certified at least according to the IEC 61215:2016 standard which requires resistance to the fall of a hailstone 25mm in diameter at a speed of 23 m/s with 10 points of impact.
On the scale of hail resistance classes, this requirement is between RG3 and RG2.
| Class of resistance | Diameter (mm) | Mass (g) | Speed (m/s) | Impact Energy (J) |
| RG2 | 20 (±2%) | 3,6 (±5%) | 19,5 | ≥ 0,7 |
| IEC 61215:2016 (MQT17) | 25 (±2%) | 15 (±5%) | 23 | ≥ 1,99 |
| RG3 | 30 (±2%) | 12,3 (±5%) | 23,9 | ≥ 3,5 |
| RG4 | 40 (±2%) | 29,2 (±5%) | 27,5 | ≥ 11,1 |
| RG5 | 50 (±2%) | 56,9 (±5%) | 30,8 | ≥ 27,0 |
It is important to note that it is not so much the diameter of the hailstone that matters but the energy of the impact.
Some of our panels like SPRING 425 Shingle Black or FLASH 410 Half Cut Glass-Glass have higher resistance levels. To see the details of the certifications according to our panels, you can consult this summary table.
| Panel | Certification |
| SPRING 425 Shingle Black | RG4 |
| FLASH 410 Half-Cut Glass-Glass | RG3 |
| FLASH 425 Half-Cut Glass-Glass TOPCon | RG3 |
| FLASH 415 Half-Cut White | IEC 61215:2016 (MQT17) |
| FLASH 500 Half-Cut Black | IEC 61215:2016 (MQT17) |
| FLASH 375 Shingle Black | RG4 |
| FLASH 375 Half-Cut Black | IEC 61215:2016 (MQT17) |
| SPRING 375 Shingle Black | RG4 |
| SPRING 400 Shingle Black | RG4 |
| FLASH 425 Shingle Black | RG4 |
| FLASH 400 Shingle Black | RG4 |
| FLASH 380 Half-Cut White | IEC 61215:2016 (MQT17) |
| FLASH 405 Half-Cut White | IEC 61215:2016 (MQT17) |
> To learn more, read our article : What are the certifications of the DualSun panel?
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